Paris, Jan 10, 2025 (AFP) - The 'climate archive': how scientists study the ancient past

NAMPA / AFP
2025-01-10
It is official: 2024 was the hottest year since 1850, around the time scientists began keeping reliable records of Earth's surface temperatures. But using ice cores and other ancient data points allows scientists to peer much deeper into the past, and establish that the climate today is likely warmer than it has been in 120,000 years. How do they do it? "When we want to know the climate of the past, we look for an archive that has recorded thes......
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